富台油田岩心裂缝研究

邹娟; 戴俊生; 商琳; 田博

富台油田岩心裂缝研究

邹娟^1,,
戴俊生¹,
商琳²,
田博³

1.
中国石油大学地球科学与技术学院, 山东青岛 266580
2.
中国石油冀东油田公司勘探开发研究院, 河北唐山 063004
3.
中海石油(中国)有限公司湛江分公司, 广东湛江 524057

基金项目:

国家科技重大专项 2011ZX05014-004

中国石油华北油田公司科技项目 HBYT-WTY-2011-JS-303

详细信息

作者简介:
邹娟(1987-), 女, 山东龙口人, 博士研究生, 主要研究方向油气区构造解析、构造应力场研究。E-mail:zoujuan2012@yeah.net

中图分类号: TU454
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- 被引次数: 0
出版历程
- 收稿日期: 2014-09-06
- 刊出日期: 2015-03-01

RESEARCH ON CORE FRACTURES: A CASE STUDY FROM THE FUTAI OILFIELD

1.
School of Geosciences in China University of Petroleum, Qingdao 266580, Shandong, China
2.
Research Institute of Exploration and Development, PetroChina Jidong Oilfied Company, Tangshan 063004, Heibei, China
3.
Zhanjiang Branch of CNOOC Limited, Zhanjiang 524057, Guangdong, China

摘要

摘要: 通过对富台油田岩心裂缝观测, 描述裂缝的几何特征、充填特征、力学性质等, 进而确定裂缝的各项参数。研究结果表明, 富台潜山发育大量构造裂缝, 主要为北东—南西和北西—南东走向共轭剪切裂缝, 同时可见近东西走向裂缝。裂缝基本为近垂直剪裂缝, 开度集中在0.6~0.8 mm, 以方解石半充填为主, 体密度为5~10 m²/m³, 北部较南部地区裂缝密度偏大, 裂缝更为发育。
- 岩心裂缝 /
- 裂缝识别 /
- 裂缝参数 /
- 富台油田
Abstract: Through core observation in Futai oilfield, we describe the geometric characteristics, filling characteristics and mechanical properties to conduct research on various parameters of fractures. The results showed that a great amount of structural fractures was developed in Futai buried hills, which formed two directions. One was NE-SW and NW-SE direction conjugated shear fractures that were dominant, another was nearly E-W. Fractures were mainly vertical ones with the characteristics of E-W shear fractures. The core fracture openings which were mainly half filled with calcite were mainly distributed in 0.6~0.8 mm. Its average volume density was between 5~10 m²/m³, and fractures developed much more in northern part than southern of Futai oilfield.
- core fractures /
- fracture identification /
- fracture parameters /
- Futai oilfield

HTML全文

图 1 富台油田岩心裂缝

Figure 1. Core fractures in Futai oilfield

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图 2 富台油田岩心裂缝走向

Figure 2. Core fracture strike in Futai oilfield

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图 3 车古203井取心井段裂缝发育综合柱状图

Figure 3. Comprehensive histogram of core fractures in the Well Chegu 203

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图 4 富台油田裂缝开度分布直方图

Figure 4. Histogram of fracture aperture in Futai oilfield

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图 5 富台油田裂缝充填物性质分布频率直方图

Figure 5. Histogram of fracture fillings in Futai oilfield

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表 1 裂缝密度统计表

Table 1. Statistical data of fracture density

井号	条数	心长/m	线密度/(条·m^-1)	缝长/m	面密度/(m·m^-2)	裂缝面积/m²	体密度/(m²·m^-3)
车古201	490	54.0	9.0741	38	1.8731	3.11778	5.10504
车古203	355	41.9	8.4726	45	2.8669	4.2048	8.87317
车古205	175	14.9	11.745	18	3.2036	1.66348	9.87141

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